Math, asked by manikantmanishi1981, 8 months ago

साधारण ब्याज कितने वार्षिक दर से कोई धन 15 वर्ष चार गुना हो जाएगा ?

Answers

Answered by TigerMan28

3

Answer:20% p.a.

Step-by-step explanation:

Let the principal be x.

A=P+SI

4x=x+SI

SI=3x

SI=P*R*T/100

3x=x*R*15/100

R=100*3x/x*15

R=20% p.a.

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